Typewriting machine



I 2 l O Feb 927 F. c. URSBRUCK TYPEWRITING MACHINE Filed July 29, 1924 Vme'ans' associated with the register or Patented Feb. 22, 1927.

UNITED STATES PATENT OFFICE.

' 1 FRAN K G. URSBRUCK, OF NEYV YORK, N. Y., ASSIGNOR T UNDERWOOD TYPEWRITER COMPANY, OF NEW. YORK, N. Y.,

A CORPORATION OF DELAWARE.

' TYPEWRITING MACHINE.

' Application filed July 29,

1 This invention relates to typewriting machines, and particularly to a device attachable to a machine equipped with decimal tabulator mechanism, the purpose of the device being to register the amount of typing performed by an operator.

' A feature "of the present invention is the provision ofsimple means for utilizing the escapement wheel shaft to drive a revolution counter.

Another feature of the invention is the provision of means for mounting the device upon'a machine of the usual standard construction, requiring no special structural features or alterations to be made tothe machine in appying thedevice thereto, the device, when mounted, being easily adjustable for properly aligning the same with its driving means.

Another feature ofxthe invention covers counter whereby the same may be readily attached or detached from the machine.

Afurther feature embodies an arrangement, such that when the device is attached to the machine,v the parts comprising the counter and its mounting means, will be securely interlocked and held against moveconstruction'whichis extremely simple, and

ment by means of a single screw and nut.

The, invention further provides a form of due to this fact, and the few parts used, the device is inexpensive to-manufacture.

" Other features and advantages will hereinafter appear. V V In the accompanying drawings,

I Figure l -is a section through a portion ofatypewntmg machine, showing my improved registering device appied thereto.

40 I tion, showing-the registering device attached Figure 2jis a plan view, partially in sec- 1 'to its supporting frame.

'"Figure 3 is a rear view of the registering .device and its supporting frame.

gFigurei isa perspective. View, showing the several parts comprising theregistering device disposed one above the otherin their order 'of assembly. .U on" depression of type-bars, not shown, a link lO-operates to raise type-bars 11 to drive type 12 against the platen 13. A universal bar 14 is actuated by heels-15 on the type ba'rs ll whenevera key is struck. and

an escapement frame 16 pivoted at 17 opcrates, dog-rockers 18 which'co-operate with 1924. Serial No. 728,826.

an escapement-wheel 19 having a pinion 20 whichruns in mesh with a carriage rack 21' connected through pivoted arms 22 to the carriage 23 to control the letter-feeding movement of the carriage. Usually a governor or braking device 24 is employed to limit the speed of the carriage when released from the letter-space escapement mechanism through the operation of a tabulatorkey, and may comprise a casing24 ivoted by means of a suitable shaft 25 in bearing supports 26 carried by a frame 27. Cas ing 24 contains the braking mechanism referred'to, and carries a pinion v28 disposed adjacent the end of an extension 29 of the casing 24, the pinion being fixed to the end of a shaft disposed within the casing, and in connection with the braking mechanism forming a portion of the governor.

Decimal tabulatorkeys, not shown, cause upward movement to be imparted to :a series of vertically disposed stop-bars 30 which are characterized by cut-out portions 31 forming shoulders 32 which act against a plate 33 fastened to a rock-shaft 34 journaled in extensions 27 of the frame 27 to impart motion to a rocker arm 35 secured upon the opposite side of the rock-shaft 34. The upper ends of the stop-bars 30 are arranged to be selectively projected by means of the tabulator-keys, not shown, into the path of decimal tabulator stops 38 to effect tabulating movements of the carriage when released to jump. The'governor carries a rocker arm 36 similar to the arm 35, and these two arms are operatively joined. by a connection 37 pivotally attached to the free ends of the arms. l Vhen any of the tabulator keys are depressed the corresponding stop-bar is raised, thus rocking the governor about its pivot through the medium of the connection 37 this action causing the pinion fixed to the end of the governor shaft to engage the carriagerack 21 and raise said rack 21 out of mesh with the escapement pinion 20. The movement of the carriage from this point is thenunder the control of the governor which functions to bring the carriage to rest at theend of its run, without vibration or shock to the machine. -Thus far, the mechanism described is that which has heretofore been used in the Underwood standard machines when equipped with the decimal tabulator, and its description here is given simply for a clear understanding of the manner in which the present invention, now to be described, is associated. for the purpose of keeping track of the amount of work performed on the machine.

A bracket 4 39, which may comprise a sheet-metal stamping cut and bent to form, provides a base or support upon-which-the various parts of the registering mechanism are mounted and secured' A pair of laterally-extending cars 40 of the bracket 39 have perforations 41' therein and suitable straps 42 pass through the perforations 41 and are hooked at43 to engage around the Web portion 26 'ofTthe frame 27. Clamping nuts 42 are received in threaded relation on the outer ends of the straps and drawthe bracket 39 tightly against theframe 21'.

A' platform 44, which is preferably formed inone piece with thebracket'39, has an elongatedreetangular perforation 45. The platform-44isdisposed at right angles to the clamping portion or cars 40 of the bracket, and mechanism including an ordinary counter-44 is supported upon and secured to the platform. In OTClGI"tO" tdjl1Sf&bly mount the register or' counter upon the platform 44 a seat45 is provided and may conn prise a piece of sheet-metal cut and'bent over to form a dovetail'slot'46 having parallel inner sides 47 which receive the correspondingly shaped dovetail base 48 of the counter 44f. notched on both sides at 49 to accommodate the dovetail jaws 50 of-a clamp 51 which engages the base 48 of the counter and extends partially into the perforation 45, the under portions of the jaws overlying and being-slightly spaced from beveled edges 51 forming the two: shortsides of the rectangu'lar perforation 45, asolearly shown in Figure A threaded stud 52 suitably secured to the lower portionof the clamp 51. receives a nut 53 onthe under side ofthe platform 44, and jserves, when drawn up, to securely'interlockand fasten-all-of the parts together, and the counter 44 upon the platform 44. It will be readily understood thatthe connter, may be quickly and easily adjusted in the seat 45 by simply loosening the nut 53 and sliding the counter bodily within-the dovetail slot 46,-and that the device-may be adjusted up and down by loosening. the nuts 42' and moving the position of the bracket 39 and straps 42 with respect to the frame 27.- The counter 44' is arranged to be indexed by means of the rotary motion impartedthereto by the escapement wheel 19, and for this purpose the shaft of the counter has a collar 54' which receives a shaft or wire 55 of relatively small diameter so as to pass without interferencebetween the closely banked complement ofstop-bars 3O. Set screws 56 thread: ed into the collar 54 securely join the shaft Theseat 45 iscut out on or wire 55 to the registering mechanism of the counter. It will be noted that the shaft 25 is reduced at 25 so as to provide clearance for variations in assembling and adjusting the register to proper position. A U-shapec'l 'piece 57 is attachedto the outer end of the shaft or wire 55 and straddles a flat-sided-lock-nut 58 carried by the escapement-wheel 19 to provide a driving connection for the counter.

It will be readily seen from the foregoing description of the registering device, considered in connection with the governor control and decimal tabulator mechanism, that upon operation of any one of the tabulator keys, the stop-bars 30 will act through the medium of the governor 24 to throw the carriage-rack 21 out of mesh with the escapement pinion 20, the stop bars co-oper-' ating with the stop 38 in determining the jump of the carriage, and thatduring .this movement the counter will not operate. Upon operation of the typing. keys the es capement-wheel or its shaft drives the counter which is provided. with usual interior revolution-counting devices, and hence indexes at regular intervals upon the completion of a'predeterminedplurality 0fltter-space operations of'the printing. keys, and from this the actual work done by an operator of the machine may be readily computed.

Variations may be resorted to within the scope of the invention, and portions of the improvementsmay be used without others.

Having thus described my invention, I claim:

1. The combination with the carriageesca pement mechanism of a typewriti machine having an escapement shaft, (if

a register including a driving shaft aligning.

with the escapement shaft, andmeanscan ried by said driving shaft for coupling the same to said escapementshaft to transmit motion from the latter to the register.

2. The combination with thecarriage escapement mechanism of a typewriting machine having an escapement shaftand'means for looking: the shaft to saidmechanism, of a register including a driving. shaft aligning with the escapement shaft, and means carried by said driving shaft for. coupling.

the same to said locking means to transmit motion from the escapement shaft to the register; I

3'. The combination with thecarriage escapement mechanism of a typewriting machine having an escapement shaft and a lock-nut therefor, of a register including a driving shaft aligning with the escapement shaft, and. means carried by said driving shaft for coupling the same to said lock-nut tov transmit motion from the escapementshaftto the register.

4. The combinatmn with the carriage ei- I no V nut.there-for, of a register including a driving shaft aligning with the escapement shaftfand means carr ed by said drivlng shaftengaging around said lock-nut to 1 couple the driving shaft" 5.; The combination with the carriage es 'capement' mechanism of a typewriting machine havingan escapement shaft and a lock-nut'therefor, of a register including a driving shaft aligning with the escapement shaft, and a yoke member fixed to the drivin'g'shaft and engaging around said lock-nut '-to transmit the rotary motion of the escape- ,ment shaft to the register.

, lock-nut.therefr, of a register including a yd'riving, shaft aligning with the escapement shaft,'"and a U shapedmember fixed to the .6. The combination withv the carriage escapement mechanlsmof' a typewriting machine havlng an escapement shaft and a driving shaft and engaging the lock-nut vupon the opposite sides thereof to couple the driving shaft to the 'escapement shaft.

, 7. The combination withthe carriage-escapement-wheel of a typewriting machine, 'of a'register having a driving shaft, a support for-said register including a platform ,uponwhich the base of the register rests, a releasable clamping device mounted on the platform and engaging around the base of (theregister, whereby to secure theregister to the platform, said platform including guiding meanscooperating with the clamp for automatically aligning the register-shaft with the shaft of the escapement-wheel when the-register is clamped,

and means for coupling said aligned shafts.

v8.1 The, combination with the carriage-esclapement-Wheel of a typewriting machine,

offa register having a driving shaft, a suport 'for the register including a platform aving a rectangular opening therein a 1 clamp mounted in and guided by said open- *ing for engaging around the baseof the reg ister, means for securing said clamp within the opening, whereby to clamp the register.v

to the platform gand align the register-shaft fwith the shaft of the 'esca'pem'ent-wheel, and

means for coupling'saidaligned shafts.

u 9." The combination with the carriage-escapement-vwheel of a typewriting'machine,

.of a register including a driving shaft,-means for coupling saiddriving shaft to the shaft of the escapeme'ntewheel, a vertically-ad ust ableplatform at the-rear of the escapement- I whe'el, a seating devicefor the base of the register, anda clamp associated with said platform and seating device, whereby'to hold I the base secured to the platform and to guide said'seat-ing device 'to' align the registerfshaft with the escapement-wheel-shaft. Thecombin'ation with the frame and shaft to the escapementv escapenient mechanism of a typewritingmachine, of a register driven by said mechanism, a support forthe register, said support including a platform and ears, means co-,

operating with said ears and frame to adjustably secure the support to the frame, a seating device for adjustably mounting the register on the platform, and means interlocking said seating device with the platform and clamping the register in position thereon.

11. The combination with the carriageescapement-wheel of a typewriting machine, of a register having its driving shaft coupled to the shaft of the escapement-Wheel, a support for the register, and clamping means for attaching the register to the support, said clamping means automatically aligning the register-shaft with the. escapementwheel-shaft when the register is in clamped position.

12. The combination with the frame and escapement mechanism of a typewriting machine, of a register driven by said mechanism, a support for the register comprising a bracket including a portion arranged to be fastened to the frame of the machine and a platform having a rectangular perforation therein, a seating device for receiving the register, said seating device having a pair of oppositely disposed notches in the sides thereof arranged to overlie a portion of said perforation, a clamping member including a yoke portion disposed within the perforation and a pair of clamping fingers extending from said yoke portion, said fingers projecting through the notches and engaging the register, and means associated with saidclamping member for drawing the fingers against said register to secure the same upon the platform.

13. The combinationv with theescapement mechanism of a typewriting machine having an escapement shaft and means for locking the shaft to said mechanism, ofa register including a driving shaft, means carriedby said driving shaft for engaging said locking means to transmit motion from saidmechanism, a support for the register,

means carried bysaid support and movable with respect tothe frame for adjustably securing the support to the frame, and releasahle means engaging the bzise of said regislter andinteflb c king With the support to s'e-euie s'aid register against lilovelnent the'reilpon.

15. The coihbihzttion' with the fr'zime and ctrridge-escapeinent-mech:ihifii of a typewvritihg ma hine, of it register driven by said; mechanism, a support for the registei, meafis for adjiistahly seclu-ing the support 10 upon the frame ofthe'nmchine, and means adjnstahly Clamping said register to the sup pert and ifiter lcking therewith t6 ni'mintai ii: the z'eglster 1n proper positlon to he dnven FRANK C. URSBRUCK. 

